Here are a pair of context clues worksheets, the first on on model as a noun and the second on model as a verb. The word, as you surely know, also has use as an adjective; a couple of days after publishing this post, while rummaging around in my data warehouse, I found this worksheet on model as an adjective, so for the purposes of this post, you have a complete set from which to choose. Incidentally, the verb is used both intransitively and transitively.
It is generally the practice at Mark’s Text Terminal to provide the definitions on the face of the post. However, these are polysemous words, so I’ll recommend you find them in a dictionary (preferably Merriam-Webster’s Collegiate, 11th Edition, the house lexicon on this blog) to determine which meaning you want to emphasize with your students. Editorially, let me mention that these words offer teachers a chance to help students to understand polysemy, which might help them understand (and I would argue this is vital information for English language learners) why English can be a challenging language to master.
If you find typos in these documents, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.